REDCapR: Interaction Between R and REDCap

Encapsulates functions to streamline calls from R to the REDCap
API. REDCap (Research Electronic Data CAPture) is a web application for
building and managing online surveys and databases developed at Vanderbilt
University. The Application Programming Interface (API) offers an avenue
to access and modify data programmatically, improving the capacity for
literate and reproducible programming.